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<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    // let arr = [2, 0, 6, 1, 77, 0, 52, 0, 25, 7]
    // const newarr = []
    // for (let i = 0; i < arr.length; i++) {
    //   if (arr[i] > 10) {
    //     newarr.push(arr[i])
    //   }
    // }
    // console.log(newarr);
    // let arr = [2, 0, 6, 1, 77, 0, 52, 0, 25, 7]
    // let newarr = []
    // for (let i = 0; i < arr.length; i++) {
    //   if (arr[i] != 0) {
    //     newarr.push(arr[i])
    //   }
    // }
    // console.log(newarr);
    let arr = [2, 0, 6, 1, 77, 0, 52, 0, 25, 7]
    arr.splice(1, 3)
    console.log(arr);

  </script>
</body>

</html>